{"id":5503,"date":"2025-10-22T17:43:02","date_gmt":"2025-10-22T09:43:02","guid":{"rendered":"http:\/\/jiujuauto.com\/?p=5503"},"modified":"2025-11-17T11:20:33","modified_gmt":"2025-11-17T03:20:33","slug":"%e5%be%ae%e5%9e%8b%e5%96%87%e5%8f%ad%e9%87%8f%e4%ba%a7%e5%9b%b0%e5%b1%80%ef%bc%9a%e8%80%b3%e6%9c%ba%e5%96%87%e5%8f%ad%e8%87%aa%e5%8a%a8%e5%8c%96%e6%8a%80%e6%9c%af%e5%a6%82%e4%bd%95%e9%80%82%e9%85%8d","status":"publish","type":"post","link":"https:\/\/www.jiujuauto.com\/en\/news\/industry-news\/5503.html","title":{"rendered":"Micro-speaker mass production dilemma: headset speaker automation technology how to adapt to the wave of smart wearable"},"content":{"rendered":"

The wave of thin and light smart wearable devices is pushing speaker sizes to the limit, and Same Sky's ultra-miniature speaker measures just 15.1mm x 11.35mm x 3.5mm, with a diaphragm thickness of 0.76mm and weighing in at less than 0.2g. This trend towards miniaturization puts the traditional production model in a difficult position - manual assembly is prone to distortion caused by fingertip pressure during assembly, and a deviation of 0.1mm in assembly can result in a 5dB drop in sound pressure level. Fingertip pressure during assembly is likely to cause deformation of the diaphragm, and an assembly deviation of 0.1mm may result in a 5dB drop in sound pressure level.<\/p>\n\n\n\n

\"JiuJu<\/figure>\n\n\n\n

The production pain points of miniature speakers have significant industry commonality. The first is the problem of picking and placing precision parts, voice coil skeleton and other parts sizes below 5mm, manual sorting efficiency is less than 300 pieces \/ hour, and the breakage rate of more than 8%.The second is the precise control of the bonding process, the folded ring and the diaphragm need to be coated with 0.01ml level of adhesive, manual dispensing is prone to overflowing or leakage of adhesive, which directly affects the waterproof performance and service life. Lastly, consistency control, smart wearable devices require less than \u00b12dB deviation from the frequency response curve of the speaker, and it is difficult to realize batch accurate determination by manual testing.<\/p>\n\n\n\n

\"JiuJu<\/figure>\n\n\n\n

The automation solution realizes full process adaptation through modular design. In the feeding process, a vision-guided vacuum nozzle system is used to locate the parts through a 3-megapixel industrial camera, with a pick-and-place accuracy of \u00b10.01mm and a breakage rate of 0.3% or less. The dispensing process is equipped with servo-driven piezoelectric dispensing valves, with the error of glue output controlled within 0.001ml, together with the online weighing inspection, eliminating bonding defects. The automatic lifting and reflowing technology of the fixtures in the final assembly stage can realize the seamless connection of 12 processes from magnetic circuit assembly to dust cap fitting, and the production beat is increased to 800 pieces\/hour.<\/p>\n\n\n\n

\"JiuJu<\/figure>\n\n\n\n

JiuJi automation for TWS headset speaker automation production line transformation project shows that after the automated production line is put into use, the product qualification rate from 89% jumped to 99.2%, the average daily production capacity of a single production line increased by 4 times, and successfully adapted to the head of the flagship models of the brand's orders. This shows that automation technology has become the core power of micro electro-acoustic devices to break through the bottleneck of mass production.<\/p>","protected":false},"excerpt":{"rendered":"

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